Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010133 | Navigation system | Ka C. Cheok | 2011-08-30 |
| 7983694 | Target and base station for a navigation system | Ka C. Cheok | 2011-07-19 |
| 7908041 | Self-leveling laser horizon for navigation guidance | Ka C. Cheok | 2011-03-15 |